Keith Urban has hinted at one of the reasons he and Nicole Kidman are on the outs.

Urban told Entertainment Tonight in an republished interview that “relationship sacrifices” are necessary for his career.

“It’s not a job. It’s my life,” he said. “It’s just got to be your purpose.”

Kidman filed for divorce from Urban after 19 years of marriage on Sept. 30, citing “irreconcilable differences.” However, sources told TMZ that it was Urban who wanted to end things, while Kidman had hoped to work it out. The couple separated over the summer.

Urban has been touring as the headliner for the new CBS series The Road, where up-and-coming country artists compete to be his opening act.

But one up-and-coming musician in particular got quite a bit of public relations mileage out of touring with

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